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Account for the following: Cr2+ is a strong reducing agent. - Chemistry

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प्रश्न

Account for the following: 

Cr2+ is a strong reducing agent.

Give reasons for the following statement:

Cr2+ is a strong reducing agent.

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उत्तर

Cr2+ is strongly reducing in nature. It has a d4 configuration. While acting as a reducing agent, it gets oxidised to Cr3+ (with electronic configuration d3). This d3 configuration can be written as \[\ce{t^3_{2g}}\] configuration, which is a more stable configuration.

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